> ## Documentation Index
> Fetch the complete documentation index at: https://docs.wherobots.com/llms.txt
> Use this file to discover all available pages before exploring further.

# ST_Transform (Python)

> Convert a geometry from one coordinate system to another coordinate system.

Convert a geometry from one coordinate system to another coordinate system.

SQL reference: [`ST_Transform`](/reference/wherobots-db/geometry-data/spatial-reference/ST_Transform)

## Signature

```python theme={"system"}
from sedona.spark.sql.st_functions import ST_Transform

ST_Transform(
    geometry: ColumnOrName,
    source_crs: ColumnOrName,
    target_crs: Optional[Union[ColumnOrName, str]] = None,
    disable_error: Optional[Union[ColumnOrName, bool]] = None,
) -> Column
```

## Parameters

<ParamField path="geometry" type="ColumnOrName" required>
  Geometry column to convert.
</ParamField>

<ParamField path="source_crs" type="ColumnOrName" required>
  Original coordinate system for geometry as a string, a string constant must be wrapped as a string literal (using pyspark.sql.functions.lit).
</ParamField>

<ParamField path="target_crs" type="Optional[Union[ColumnOrName, str]]" default="None">
  Coordinate system geometry will be converted to as a string, a string constant must be wrapped as a string literal (using pyspark.sql.functions.lit).
</ParamField>

<ParamField path="disable_error" type="Optional[Union[ColumnOrName, bool]]" default="None">
  Whether to disable the error "Bursa wolf parameters required", defaults to None
</ParamField>

## Returns

<ResponseField name="return" type="Column">
  Geometry converted to the target coordinate system as an
</ResponseField>


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